For example, Dobson states, “When researchers at Japan’s Osaka University Graduate School of Medicine showed a 75-minute funny film to a group of men and women, they found that blood levels of natural killer cells activity increased by 26.5 percent. (2008)”. While Dobson gives a percent of the level of activity increased in the blood, he does not mention how many people were involved in the study or if the percentage was an average or across the board. That said, Dobson does mention at least five studies that are in favor of laughter improving
For example, Dobson states, “When researchers at Japan’s Osaka University Graduate School of Medicine showed a 75-minute funny film to a group of men and women, they found that blood levels of natural killer cells activity increased by 26.5 percent. (2008)”. While Dobson gives a percent of the level of activity increased in the blood, he does not mention how many people were involved in the study or if the percentage was an average or across the board. That said, Dobson does mention at least five studies that are in favor of laughter improving